$ git clone -n http://fedora-riscv.tranquillity.se:3000/rpms/gcc.git /var/lib/mock/f29-build-184-176/root/thebuilddir/tmp/scmroot/gcc
Cloning into '/var/lib/mock/f29-build-184-176/root/thebuilddir/tmp/scmroot/gcc'...
$ git reset --hard b840e5963d9b3f1d7fbad779baf3bfa1c62cacc2
HEAD is now at b840e59 Add support for riscv64 (RISC-V 64-bit)